ASUR 2Q12 Passenger Traffic Up 7.36% YOY

Grupo Aeroportuario del Sureste, S.A.B. de C.V.

the first privatized airport group in Mexico and operator of Cancun Airport and eight other airports in southeast Mexico, today announced results for the three and six-month periods ended June 30, 2012. 2Q12 Highlights1: EBITDA2 increased by 18.97% to Ps. 740.02 million Total passenger traffic was up 7.36% Total revenues rose by 16.53% due to increases of 13.19% in aeronautical revenues, 19.38% in non-aeronautical revenues, and 24.64% in construction services revenues Commercial revenues per passenger increased by 13.33% to Ps.75.05 Operating profit increased by 21.52% EBITDA margin increased to 58.02% from 56.82% in 2Q11